Opus FORTITUDE TIAGRA 2025
2025 Road
Estimate price |
1,501$
Weight | 9.53 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Groupset Tiagra -
Suspension Rigid -
Drivetrain 2 × 10 -
Brakes Tektro Mechanical Disc
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Meta 30 6061 Aluminum
Suspension Fork
Full Carbon Tapered 1-1/2 to 1-1/8 in
Drivetrain
Rear Derailleur
Shimano Tiagra 4700
Front Derailleur
Shimano Tiagra 4700
Shift Levers
Shimano Tiagra 4700 2 x 10
Cassette
Shimano 11-34t
Crank
Shimano Tiagra 4700
Bottom Bracket
Shimano sealed cartridge
Chain
Shimano HG54
Pedals
N/A
Wheels
Front Hub
Alex Bear Pawls through axle 12 mm fr/rr
Rear Hub
Alex Bear Pawls through axle 12 mm fr/rr
Rims
Weinmann U28TL
Tires
Kenda Fortitude Elite 700 x 32
Brakes
Brakes
Tektro MDC-550 Flat Mount Twin Piston Disc
Brake Levers
Shimano Tiagra 4700
Cockpit
Stem
Promax
Handlebar
X-Race Aero 8° flare
Headset
FSA Orbit Integrated Sealed
Seat
Saddle
Opus Endurance
Seatpost
Promax alloy 27.2 x 300
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | XXS | XS | SM | MD | LG | XL |
|---|---|---|---|---|---|---|
| Stack Reach Ratio | 1.442 mm | 1.459 mm | 1.481 mm | 1.499 mm | 1.515 mm | 1.531 mm |
| Bottom Bracket Height | 270 mm | 273 mm | 273 mm | 273 mm | 273 mm | 275 mm |
| Stack | 522 mm | 540 mm | 560 mm | 580 mm | 600 mm | 620 mm |
| Reach | 362 mm | 370 mm | 378 mm | 387 mm | 396 mm | 405 mm |
| Top Tube Length | 507 mm | 525 mm | 544 mm | 564 mm | 585 mm | 607 mm |
| Seat Tube Angle | 74.5 ° | 74 ° | 73.5 ° | 73 ° | 72.5 ° | 72 ° |
| Seat Tube Length | 440 mm | 480 mm | 520 mm | 540 mm | 560 mm | 580 mm |
| Head Tube Angle | 70.5 ° | 71.25 ° | 72 ° | 72.5 ° | 72.5 ° | 73 ° |
| Head Tube Length | 100 mm | 120 mm | 138 mm | 157 mm | 178 mm | 199 mm |
| Chainstay Length | 416 mm | 416 mm | 419 mm | 419 mm | 422 mm | 422 mm |
| Bottom Bracket Drop | 79 mm | 76 mm | 76 mm | 76 mm | 76 mm | 74 mm |
| Standover Height | 709 mm | 736 mm | 772 mm | 790 mm | 810 mm | 830 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 | 700 |